






R-Type KWA-14 High-Intake Brass Piston Head (For KWA MP7 / M9 / M93R / TT-33)
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Customers from Taiwan can make purchases at PTS Steel Shop (Taiwan) / Ruten - PTS Steel Shop, while those from the United States can visit PTS (USA).
KWA platforms like the MP7 gas SMG and M9 series are famous for their reliability, but over time, factory piston components can swell up from silicone oil contact or shrink, causing the loading nozzle to stick or bleed gas. The MEC R-Type KWA-14 is engineered as a definitive drop-in fix. Weighing 2.5g and crafted from CNC brass, it features a 6-port flow system that instantly converts raw gas pressure into a uniform radial seal, flattening out your FPS curve and keeping cycles smooth.
Key Features & Benefits
- Resolves KWA Nozzle Binding: The rigid brass core cannot swell or deform like stock rubber components, ensuring long-term dimension stability.
- 6-Hole Radial Direct Flow: Evenly distributes incoming gas to expand the seal in microseconds, containing blowback force where it belongs.
- Tolerance Adjuster O-Rings: Packaged with red, black, and green O-rings of micro-varying tolerances to allow tactical gunsmiths to achieve the perfect balance of slide speed and compression.
Technical Highlights
- Weight: 2.5g
- Materials: Precision-Cut Brass, Heavy-Duty Rubber
- Compatibility: KWA TT-33, M9, M93R, MP7 GBB
Applications
Sustained Full-Auto Suppression: Prevents dramatic gas drops during full-auto bursts on platforms like the MP7 or M93R.
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